| Euclid to Collegno | 4,243.70 mi (6,829.57 km) |
| Euclid to Cologno al Serio | 4,312.76 mi (6,940.71 km) |
| Euclid to Cologno Monzese | 4,297.55 mi (6,916.24 km) |
| Euclid to Colorno | 4,365.02 mi (7,024.81 km) |
| Euclid to Comacchio | 4,447.41 mi (7,157.41 km) |
| Euclid to Comiso | 4,864.75 mi (7,829.06 km) |
| Euclid to Como | 4,279.33 mi (6,886.92 km) |
| Euclid to Concordia Sagittaria | 4,432.97 mi (7,134.17 km) |
| Euclid to Concorezzo | 4,297.65 mi (6,916.40 km) |
| Euclid to Conegliano | 4,406.25 mi (7,091.18 km) |
| Euclid to Conselice | 4,440.24 mi (7,145.88 km) |
| Euclid to Conselve | 4,413.99 mi (7,103.64 km) |
| Euclid to Conversano | 4,801.15 mi (7,726.70 km) |
| Euclid to Copertino | 4,869.52 mi (7,836.73 km) |
| Euclid to Copparo | 4,425.45 mi (7,122.08 km) |
